Unstable or severe angina or congestive heart failure NYHA class i-iv, history of acute myocardial infarction or stroke within last 6 months.

Any history of surgical intervention in the right carotid artery.

Clinically significant hepatic disease.

Creatinine clearance <40ml/min.

Contacts and Locations

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study.
To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below.
For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00306644